java.lang.AssertionError: childName: /home/kr/NetBeansProjects/springjpa/src/main/resources/net/z428/springjpa/applicationContext.xml folderName: /home/kr/NetBeansProjects/springjpa/src/main/resources/net/z428/springjpa
   at org.netbeans.modules.masterfs.filebasedfs.children.ChildrenSupport.addChild(ChildrenSupport.java:132)
   at org.netbeans.modules.masterfs.filebasedfs.children.ChildrenSupport.rescanChildren(ChildrenSupport.java:240)
   at org.netbeans.modules.masterfs.filebasedfs.children.ChildrenSupport.getChildren(ChildrenSupport.java:89)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FolderObj$FolderChildrenCache.getChildren(FolderObj.java:554)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FolderObj.getChildren(FolderObj.java:134)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FileObjectKeeper.listenTo(FileObjectKeeper.java:141)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FileObjectKeeper.fileFolderCreated(FileObjectKeeper.java:210)
   at org.openide.filesystems.FCLSupport$DispatchEventWrapper.dispatchEventImpl(FCLSupport.java:142)
   at org.openide.filesystems.FCLSupport$DispatchEventWrapper.dispatchEvent(FCLSupport.java:128)
   at org.openide.filesystems.FCLSupport.dispatchEvent(FCLSupport.java:105)
   at org.openide.filesystems.FileObject$ED.dispatch(FileObject.java:1076)
   at org.openide.filesystems.EventControl.invokeDispatchers(EventControl.java:208)
   at org.openide.filesystems.EventControl.exitAtomicAction(EventControl.java:182)
   at org.openide.filesystems.EventControl.runAtomicAction(EventControl.java:127)
   at org.openide.filesystems.FileSystem.runAtomicAction(FileSystem.java:542)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FileObjectFactory.refreshFor(FileObjectFactory.java:755)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.RootObj.invokeRefreshFor(RootObj.java:196)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.RootObj.setAttribute(RootObj.java:138)
   at org.openide.filesystems.FileUtil.refreshFor(FileUtil.java:158)
   at org.netbeans.modules.maven.api.NbMavenProject.doFireReload(NbMavenProject.java:461)
   at org.netbeans.modules.maven.api.NbMavenProject.access$200(NbMavenProject.java:85)
   at org.netbeans.modules.maven.api.NbMavenProject$AccessorImpl.doFireReload(NbMavenProject.java:126)
   at org.netbeans.modules.maven.NbMavenProjectImpl.fireProjectReload(NbMavenProjectImpl.java:547)
   at org.netbeans.modules.maven.api.NbMavenProject.fireProjectReload(NbMavenProject.java:457)
   at org.netbeans.modules.maven.api.NbMavenProject.fireMavenProjectReload(NbMavenProject.java:476)
   at org.netbeans.modules.maven.NbMavenProjectImpl$RefreshAction$1.run(NbMavenProjectImpl.java:1367)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1418)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1957)
Caused: org.openide.util.RequestProcessor$SlowItem: task failed due to: java.lang.AssertionError: childName: /home/kr/NetBeansProjects/springjpa/src/main/resources/net/z428/springjpa/applicationContext.xml folderName: /home/kr/NetBeansProjects/springjpa/src/main/resources/net/z428/springjpa
   at org.openide.util.RequestProcessor.post(RequestProcessor.java:422)
   at org.netbeans.modules.maven.NbMavenProjectImpl$RefreshAction.actionPerformed(NbMavenProjectImpl.java:1362)
   at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
   at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
   at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
   at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
   at javax.swing.AbstractButton.doClick(AbstractButton.java:357)
   at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1223)
   at javax.swing.plaf.basic.BasicMenuItemUI$Handler.menuDragMouseReleased(BasicMenuItemUI.java:1327)
   at javax.swing.JMenuItem.fireMenuDragMouseReleased(JMenuItem.java:568)
   at javax.swing.JMenuItem.processMenuDragMouseEvent(JMenuItem.java:465)
   at javax.swing.JMenuItem.processMouseEvent(JMenuItem.java:411)
   at javax.swing.MenuSelectionManager.processMouseEvent(MenuSelectionManager.java:305)
   at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:1266)
   at java.awt.Component.processMouseEvent(Component.java:6263)
   at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
   at java.awt.Component.processEvent(Component.java:6028)
   at java.awt.Container.processEvent(Container.java:2041)
   at java.awt.Component.dispatchEventImpl(Component.java:4630)
   at java.awt.Container.dispatchEventImpl(Container.java:2099)
   at java.awt.Component.dispatchEvent(Component.java:4460)
   at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4574)
   at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:4238)
   at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:4168)
   at java.awt.Container.dispatchEventImpl(Container.java:2085)
   at java.awt.Window.dispatchEventImpl(Window.java:2478)
   at java.awt.Component.dispatchEvent(Component.java:4460)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:137)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)